205351440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3943}}^1$

素因数の和:3997

約数の個数: 160

約数和(自身を含む): 751190016

約数和(自身を除く): 545838576

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 3255, 3472, 3720, 3943, 4340, 5208, 6510, 7440, 7886, 8680, 10416, 11829, 13020, 15772, 17360, 19715, 23658, 26040, 27601, 31544, 39430, 47316, 52080, 55202, 59145, 63088, 78860, 82803, 94632, 110404, 118290, 122233, 138005, 157720, 165606, 189264, 220808, 236580, 244466, 276010, 315440, 331212, 366699, 414015, 441616, 473160, 488932, 552020, 611165, 662424, 733398, 828030, 855631, 946320, 977864, 1104040, 1222330, 1324848, 1466796, 1656060, 1711262, 1833495, 1955728, 2208080, 2444660, 2566893, 2933592, 3312120, 3422524, 3666990, 4278155, 4889320, 5133786, 5867184, 6624240, 6845048, 7333980, 8556310, 9778640, 10267572, 12834465, 13690096, 14667960, 17112620, 20535144, 25668930, 29335920, 34225240, 41070288, 51337860, 68450480, 102675720, 205351440]

約数ペア:

[(1, 205351440), (2, 102675720), (3, 68450480), (4, 51337860), (5, 41070288), (6, 34225240), (7, 29335920), (8, 25668930), (10, 20535144), (12, 17112620), (14, 14667960), (15, 13690096), (16, 12834465), (20, 10267572), (21, 9778640), (24, 8556310), (28, 7333980), (30, 6845048), (31, 6624240), (35, 5867184), (40, 5133786), (42, 4889320), (48, 4278155), (56, 3666990), (60, 3422524), (62, 3312120), (70, 2933592), (80, 2566893), (84, 2444660), (93, 2208080), (105, 1955728), (112, 1833495), (120, 1711262), (124, 1656060), (140, 1466796), (155, 1324848), (168, 1222330), (186, 1104040), (210, 977864), (217, 946320), (240, 855631), (248, 828030), (280, 733398), (310, 662424), (336, 611165), (372, 552020), (420, 488932), (434, 473160), (465, 441616), (496, 414015), (560, 366699), (620, 331212), (651, 315440), (744, 276010), (840, 244466), (868, 236580), (930, 220808), (1085, 189264), (1240, 165606), (1302, 157720), (1488, 138005), (1680, 122233), (1736, 118290), (1860, 110404), (2170, 94632), (2480, 82803), (2604, 78860), (3255, 63088), (3472, 59145), (3720, 55202), (3943, 52080), (4340, 47316), (5208, 39430), (6510, 31544), (7440, 27601), (7886, 26040), (8680, 23658), (10416, 19715), (11829, 17360), (13020, 15772)]